Perform the indicated operation. Write the answer in lowest terms.
? 
A. 
B. 
C. 
D. 18
Answer: B
Mathematics
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Suppose 
is a linear function with 
and 
data-wiris-created="true" varid="variable_id_field" variablename="impvar_37f4cbe67ae94aa4a28d86a92" />. Find an equation for 
.
?
A. 
B. ?
C. 
D. 
Mathematics
Solve for the variable.
= x
A. x = -4
B. x = 
C. x = 7
D. x = 4
Mathematics
Solve. Round to the nearest percent if necessary.Find the percent of increase when the original amount is 60 and the new amount is 84.
A. 29% B. 40% C. 24% D. 140%
Mathematics
Find the exact value of the expression. Do not use a calculator.
, if ? = 45°
A. 
B. 12
C. 
D. 3
Mathematics